Hardware projects using crystal
Open crystal hardware projects on BoardRepo, the GitHub for hardware. View the schematic, PCB, and BOM in your browser and download the sources, BOM, and Gerbers.
Projects
Meshtonic - using the esp32 as the orchestrator for multi-band LoRa WAN
Open Source Modbus Temperature and Humidity Sensor
Verilog clone of YM2149
Audio interface design
Full schematic, PCB Gerbers for the DSi Action Replay, and the rom
kitchen timer
Rackmount Redundant 12V Power Supply
(WIP) Open-Source Circuit and code for custom built 120/240V 3-step (or n-step) light bulb dimmer working by turning off/on the light switch quickly to switch between brightness levels. Also provides memory-functionality to non-memory 3-step bulbs.
Add CAN-FD to a microcontroller through SPI
Gas detection system using MQ-6 sensor and ATmega32 microcontroller. Includes hardware design, PCB layout, and assembly code.
Hold code and eventually the pcb layout for my hooting owl retrofit
Gamepad PCB for Cuttlephone
The Servo Ball Valve source files
Radio modem in a M.2 form factor.
PCB designs for Underwater Robotics at Berkeley (UR@B)
MOVED to code.netzhansa.com/hanshuebner/atlas-11. This GitHub mirror is archived.
Hardware mod for 1985 NES
A 68HC11 SBC for the 68HC11A CPUs
ECE 445
Satellite Hardware Project and Documentation
Rocket flight computers and data recorders.
My own custom development boards
Portland State University. Electrical and Computer Engineering Department. ECE 411 Practicum Project
Modular 8-bit computer built with TTL logic units to create a "Simple as Possible" system
A digital audio transmission specification for eurorack like modular synthesizers
MoleNet: A Wireless Underground Sensor Network platform
A retro computer project based on stackable PCB boards.
Homebrew 6502 Computer
Alpha electornics schematics and CAD files
Collection of add-on boards in mikroBUS™ standard
RP2350+Lattice Crosslink NX FPGA board
RP2350+Lattice Crosslink NX FPGA board
Battery powered, solid state, guitar amplifier schematic and PCB
Hardware design files for EPDiy: https://github.com/vroland/epdiy.
Scalable and modular 3D printer heated bed
Version-controlled material related to the Valhalla project
All HF bands QRP CW/SSB transceiver
Development ressources for Old World Macintosh (68k and NuBus PPC) and a few related things…
All HF bands QRP CW/SSB transceiver
RP2350 Based Hardware Emulation Platform
A tiny byte-syzed 65c02 microcomputer
PMK - Full wireless split keyboard
Schematic/PCB designs for WiSDOM nodes, also includes a few other related hardware projects
Potential PCIe-to-PCI-to-ISA pathway.
Hardware and firmware files for the allez! mechanical keyboard
Controller PCB for OreSat reaction wheels, magnetorquers, IMU, and magnetometers
A funky little 10.5u with dual 1.75u spacebars.
Replica of the Launch Vehicle Digital Computer using 74-series logic
A collection of my personal PCBs and its parts. May overlap with my other projects.
45% keyboard PCB project.
ErgoSNM is a split ergonomic keyboard with trackball
Tiny Tapeout breakout PCBs
ribbon synth for Josh Oxford
Coleccion de PCB y planos recomendados para montar una OpenEFI
a PCB that turns the Colorlight 5A-75B into an easy to use development FPGA platform for cheap
A modular and scalable design based on WunWae's Prism Controller
Schematic and CAD files for The Dragon 68K based computer
Designs for the TART-3 electronics hardware
3.3V Retro computer project => FPGA + RCBUS + CPU boards making a custom system.
The LumenPnP is an open source pick and place machine.